Server addresses

Posted on 2004-09-18
Last Modified: 2013-11-29
I hope someone can clarify assigning IP addresses to the different servers (DNS, DHCP, Web, FTP etc). I have assigned my Dell server with a static IP address. My DNS server also has the same address. Does (or can) my DHCP server also have the same address? If they should all have different addresses, how do I assign these to the different servers?

Question by:Peter_Fabri
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LVL 15

Expert Comment

ID: 12092554
Hi Peter_Fabri,

Each device (server, PC, printer) on your network must have a unique IP address.  If you have two devices with the same address, it causes problems.

You can either use DHCP to assign the addresses (your DHCP server must have a static address!), or configure them statically.  As a preference, I use static addresses for servers and DHCP for everything else.

Does that help?
LVL 15

Expert Comment

ID: 12092566
I'm assuming that you're using "private" addresses on all of your servers?

There are a set of IP addresses that are set aside for private/internal network use.  These are:        - subnet mask      - subnet mask
192.168.x.0     - subnet mask

For a fairly small network, I'd suggest using the 192 range.  The "x" above means any number in the range 1-254.


Author Comment

ID: 12092573
How do I assign a static IP address to my DHCP? I am running Dell Poweredge server using Windows 2000 server os with active directory installed an running.

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LVL 15

Assisted Solution

scampgb earned 55 total points
ID: 12092624
Do you mean assign a static IP address to the server, or configure DHCP scopes?

You can find out all about networking setup, including assigning static addresses at :

You can find out how to set up DHCP in your environment at

Hope that this helps
LVL 15

Expert Comment

ID: 12092971
>>        - subnet mask
>>      - subnet mask
>>192.168.x.0     - subnet mask

Technically,  RFC 1918 specifies:        - subnet mask      - subnet mask     - subnet mask
but most times, the network portion is extended with a longer subnet mask.

Are these all seperate computers?  or do you have DHCP, DNS, etc... all running on the same computer?

Author Comment

ID: 12092980
DHCP, DNS, IIS are all running on my server.

LVL 15

Accepted Solution

adamdrayer earned 70 total points
ID: 12092990
then you should only need one address.  The services don't need seperate addresses, just the particular network connection.  If you are not running this computer as a router or virtual router, or any other complicated device, then the ratio should be:

1 Computer : 1 Network Connection : 1 Network Card : 1 IP address.

Start -> Settings -> Network and Dial-up Connections
Right-click the Network connection and click properties.
Now go into the properties of of TCP/IP

Here you should find the place to specify a IP address, subnet mask, and gateway.

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